A. Evolution of light
B. Evolution or absorption of heat
C. Evolution of heat only
D. Absorption of heat only
DeepanjaliEnlightened
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A. Evolution of light
B. Evolution or absorption of heat
C. Evolution of heat only
D. Absorption of heat only
Answer: B. Evolution or absorption of heat Evolution or absorption of heat is always accompanied during a chemical change.
Answer: B. Evolution or absorption of heat
Evolution or absorption of heat is always accompanied during a chemical change.
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